clip.dart
3.11 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
/*
* Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import 'package:pdf/pdf.dart';
import 'package:vector_math/vector_math_64.dart';
import 'widget.dart';
class ClipRect extends SingleChildWidget {
ClipRect({Widget? child}) : super(child: child);
@override
void debugPaint(Context context) {
context.canvas
..setStrokeColor(PdfColors.deepPurple)
..setLineWidth(1)
..drawBox(box!)
..strokePath();
}
@override
void paint(Context context) {
super.paint(context);
if (child != null) {
final mat = Matrix4.identity();
mat.translate(box!.x, box!.y);
context.canvas
..saveContext()
..drawBox(box!)
..clipPath()
..setTransform(mat);
child!.paint(context);
context.canvas.restoreContext();
}
}
}
class ClipRRect extends SingleChildWidget {
ClipRRect({
Widget? child,
this.horizontalRadius = 0,
this.verticalRadius = 0,
}) : super(child: child);
final double horizontalRadius;
final double verticalRadius;
@override
void debugPaint(Context context) {
context.canvas
..setStrokeColor(PdfColors.deepPurple)
..setLineWidth(1)
..drawRRect(box!.x, box!.y, box!.width, box!.height, horizontalRadius,
verticalRadius)
..strokePath();
}
@override
void paint(Context context) {
super.paint(context);
if (child != null) {
final mat = Matrix4.identity();
mat.translate(box!.x, box!.y);
context.canvas
..saveContext()
..drawRRect(box!.x, box!.y, box!.width, box!.height, horizontalRadius,
verticalRadius)
..clipPath()
..setTransform(mat);
child!.paint(context);
context.canvas.restoreContext();
}
}
}
class ClipOval extends SingleChildWidget {
ClipOval({Widget? child}) : super(child: child);
@override
void debugPaint(Context context) {
final rx = box!.width / 2.0;
final ry = box!.height / 2.0;
context.canvas
..setStrokeColor(PdfColors.deepPurple)
..setLineWidth(1)
..drawEllipse(box!.x + rx, box!.y + ry, rx, ry)
..strokePath();
}
@override
void paint(Context context) {
super.paint(context);
final rx = box!.width / 2.0;
final ry = box!.height / 2.0;
if (child != null) {
final mat = Matrix4.identity();
mat.translate(box!.x, box!.y);
context.canvas
..saveContext()
..drawEllipse(box!.x + rx, box!.y + ry, rx, ry)
..clipPath()
..setTransform(mat);
child!.paint(context);
context.canvas.restoreContext();
}
}
}